Understanding structure-property relations in β-eucryptite under pressure and at elevated temperature
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β-eucryptite (LiAlSiO4) has received widespread attention from both industry and academia due to its negative coefficient of thermal expansion (CTE) and one-dimensional Li ionic conductivity. Additionally, β-eucryptite undergoes a pressure-induced phase transformation at relatively low pressures. These various behaviors arise because the crystal structure is open and highly anisotropic. The present study uses several experimental methods to better understand the relation between the structure and the electrical and mechanical behavior of β-eucryptite. Synthesis and processing methods were ...